unworkable
🇺🇸
/ʌnˈwɜːrkəbl/
🇬🇧
/ʌnˈwɜːkəbl/
not able to be done or used effectively
The plan was unworkable because it didn't take into account the limited resources we had.
这个计划不可行,因为它没有考虑到我们有限的资源。